When sending out neighbor discovery messages in ipv6 to the multicast address, all routers, FF02::2, for example:Is the message sent to all nodes for that multicast group, or is a specific multicast address derived from the ipv6 destination ip addre...
Forum Posts
Resolved! MPLS unlabelled with static route
Hello,I have a wrong label problem on my last hop in a MPLS network.Routers are Cisco ASR9K with IOS-XR.I try to simplify as much as possible.I have this static: router staticaddress-family ipv4 unicast 217.27.XXX.132/32 100.126.0.70 And I ...
HI, I am using a CBS350-8P-E-2G. The issue is that when I try to assign port 1 to VLAN2, and port 2 to VLAN3. The internet does down. I tried to create a DHCP Pool to resolve this. But the service dhcp VLAN2 command does not work because there is no ...
Hello,We have some problem with one of our DMVPN config. Our customer is reporting a problem with the DMVPN tunnel disconnecting for one of their branches. Tunnel restart on branch router may temporarily solve the problem. Deleting and re-entering th...
Building configuration... Current configuration : 15772 bytes!! Last configuration change at 11:45:04 EDT Sat Aug 26 2023 by sclark! NVRAM config last updated at 11:36:33 EDT Sat Aug 26 2023 by sclark!version 15.5service timestamps debug datetime mse...
I have learned what is AD in routing protocols, and how routers are using them for preferring a routing protocol over another.my question is, what happens if I configured two dynamic routing protocols (for example EIGRP and RIP) on a network but chan...
Hi,I am working with the topology in the image. Router A, B and C have an iBGP neighborship. B and C announce a default route towards A, Router A should prefer the default advertised from B to the one advertised from C.This is the configuration I ...
Our vulnerability scan found that all 4948 and 3750 switches are having a vulnerability of "SSH Birthday attacks on 64-bit block ciphers (SWEET32)". However, the other models like 3650/3850/4500 are not having this vulnerability. Could anyone help me...
When I tested the circut on Exfo failed due a frame loss and when I checked the PE router I see this which I dont know what that means :Policy CSR-EGRESS Class class-defaultClassification statistics (packets/bytes) (rate - kbps)Matched : 5817158583/7...
When a router receives two routes from the same routing protocol to the same destination network, it uses the Metric to decide which one to add to the routing table, so if Metric was different it will add only one of them (The one with the lowest Met...
Hi, we are planing to buy asr1006-x for RP redundancy we choose two rp3. as we need 200Gbps throughput, we choose one ASR1000-ESP200-X module. but can you please confirm with two rp3 we can use one 200Gbps ESP ? As i heard RP numbers and ESP numbers...
Resolved! Cisco/ISR/NAT works weird
Hi!I set up Cisco NAT and it works weird...Ping through NAT works, but ports are not available, although the broadcast is on: ip nat translation: tcp xx.xx.xx.55:56666 10.10.0.25:56666 172.16.0.100:888 172.16.0.100:888icmp xx.xx.xx.55:35 10.10.0.25...
Hello Dears,In our environment, we have a Cisco 2911 Router (IOS). We are now planning to replace it with a Cisco C8200L Router (IOS-XE). In the old router, we have BVI implemented. Since this feature is called BDI in IOS-XE, I have migrated the conf...
Hello.On an ASA 5525 there is a site to site tunnel...L2L local int = g0/0 . outside , L2L local public IP address = 1.1.1.1 L2L remote public IP address = 2.2.2.2L2L remote server = 172.16.1.1---What is my EIGRP configuration to advertise the remot...
Hi,I am unable to ping domain names like google.com. I can however ping 142.251.46.174.Here is my config. version 15.7 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname Router ! boo...
